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- W2022704419 endingPage "3673" @default.
- W2022704419 startingPage "3670" @default.
- W2022704419 abstract "Electron capture in ${mathrm{H}}^{+}$+${mathrm{N}}_{2}$ collisions is studied at small scattering angles and energies in the range from 0.5 to 3.0 keV. The important collision processes are identified using time-of-flight techniques for energy analysis. Our results show that the quasiresonant ${mathrm{H}}^{+}$+${mathrm{N}}_{2}$ensuremath{rightarrow}H(1s)+${mathrm{N}}_{2}^{+}$(X) channel dominates the electron capture only at the smallest angles. As an example, at 1.0 keV, capture to this channel occurs with a probability less than 0.5 for scattering angles beyond 0.7ifmmode^circelsetextdegreefi{}. The reduced cross section for excitation of the quasiresonant channel shows a maximum which moves to larger reduced scattering angles with increasing projectile energy. A second important process, populating H(1s)+${mathrm{N}}_{2}^{+}$(C) is found. Although the excitation of this channel involves a multielectron rearrangement it is found to dominate over the ``one-electron'' ${mathrm{H}}^{mathrm{*}}$(n=2)+${mathrm{N}}_{2}^{+}$(X) channel which lies close in energy. We also find that the electron capture, even at small scattering angles, can generate highly excited ${mathrm{N}}_{2}^{+}$ states." @default.
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- W2022704419 date "1993-11-01" @default.
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- W2022704419 title "Electron capture in<mml:math xmlns:mml=http://www.w3.org/1998/Math/MathML display=inline><mml:mrow><mml:msup><mml:mrow><mml:mi mathvariant=normal>H</mml:mi></mml:mrow><mml:mrow><mml:mo>+</mml:mo></mml:mrow></mml:msup></mml:mrow></mml:math>+<mml:math xmlns:mml=http://www.w3.org/1998/Math/MathML display=inline><mml:mrow><mml:msub><mml:mrow><mml:mi mathvariant=normal>N</mml:mi></mml:mrow><mml:mrow><mml:mn>2</mml:mn></mml:mrow></mml:msub></mml:mrow></mml:math>collisions" @default.
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- W2022704419 doi "https://doi.org/10.1103/physreva.48.3670" @default.
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